<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" />
    <label for="toggle-all"></label>
    <input
      v-model="taskName"
      @keydown.enter="enterDone"
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
    />
  </header>
</template>

<script>
export default {
  props: ["list"],
  data() {
    return {
      taskName: "",
    };
  },
  methods: {
    enterDone() {
      if (this.taskName.length === 0) return alert("内容不能为空");
      this.$emit("addTask", this.taskName);
      this.taskName = "";
    },
  },
};
</script>